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<title>Static Call Graph - [.\objects\communication_dma.axf]</title></head>
<body><HR>
<H1>Static Call Graph for image .\objects\communication_dma.axf</H1><HR>
<BR><P>#&#060CALLGRAPH&#062# ARM Linker, 5060960: Last Updated: Wed Nov 05 09:00:23 2025
<BR><P>
<H3>Maximum Stack Usage =        184 bytes + Unknown(Functions without stacksize, Cycles, Untraceable Function Pointers)</H3><H3>
Call chain for Maximum Stack Depth:</H3>
__rt_entry_main &rArr; main &rArr; i2c_config &rArr; i2c_lowlevel_init &rArr; i2c_init &rArr; crm_clocks_freq_get &rArr; __aeabi_uldivmod
<P>
<H3>
Functions with no stack information
</H3><UL>
 <LI><a href="#[3d]">__user_initial_stackheap</a>
</UL>
</UL>
<P>
<H3>
Mutually Recursive functions
</H3> <LI><a href="#[19]">ADC1_CMP_IRQHandler</a>&nbsp;&nbsp;&nbsp;&rArr;&nbsp;&nbsp;&nbsp;<a href="#[19]">ADC1_CMP_IRQHandler</a><BR>
</UL>
<P>
<H3>
Function Pointers
</H3><UL>
 <LI><a href="#[19]">ADC1_CMP_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[8]">BusFault_Handler</a> from at32f421_int.o(i.BusFault_Handler) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[12]">CRM_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[16]">DMA1_Channel1_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[17]">DMA1_Channel3_2_IRQHandler</a> from at32f421_int.o(i.DMA1_Channel3_2_IRQHandler) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[18]">DMA1_Channel5_4_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[b]">DebugMon_Handler</a> from at32f421_int.o(i.DebugMon_Handler) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[10]">ERTC_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[15]">EXINT15_4_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[13]">EXINT1_0_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[14]">EXINT3_2_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[11]">FLASH_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[6]">HardFault_Handler</a> from at32f421_int.o(i.HardFault_Handler) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[28]">I2C1_ERR_IRQHandler</a> from at32f421_int.o(i.I2C1_ERR_IRQHandler) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[22]">I2C1_EVT_IRQHandler</a> from at32f421_int.o(i.I2C1_EVT_IRQHandler) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[29]">I2C2_ERR_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[23]">I2C2_EVT_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[7]">MemManage_Handler</a> from at32f421_int.o(i.MemManage_Handler) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[5]">NMI_Handler</a> from at32f421_int.o(i.NMI_Handler) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[f]">PVM_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[c]">PendSV_Handler</a> from at32f421_int.o(i.PendSV_Handler) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[4]">Reset_Handler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[24]">SPI1_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[25]">SPI2_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[a]">SVC_Handler</a> from at32f421_int.o(i.SVC_Handler) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[d]">SysTick_Handler</a> from at32f421_int.o(i.SysTick_Handler) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[2a]">SystemInit</a> from system_at32f421.o(i.SystemInit) referenced from startup_at32f421.o(.text)
 <LI><a href="#[1e]">TMR14_GLOBAL_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[1f]">TMR15_GLOBAL_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[20]">TMR16_GLOBAL_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[21]">TMR17_GLOBAL_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[1a]">TMR1_BRK_OVF_TRG_HALL_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[1b]">TMR1_CH_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[1c]">TMR3_GLOBAL_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[1d]">TMR6_GLOBAL_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[26]">USART1_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[27]">USART2_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[9]">UsageFault_Handler</a> from at32f421_int.o(i.UsageFault_Handler) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[e]">WWDT_IRQHandler</a> from startup_at32f421.o(.text) referenced from startup_at32f421.o(RESET)
 <LI><a href="#[2c]">__main</a> from __main.o(!!!main) referenced from startup_at32f421.o(.text)
</UL>
<P>
<H3>
Global Symbols
</H3>
<P><STRONG><a name="[2c]"></a>__main</STRONG> (Thumb, 8 bytes, Stack size 0 bytes, __main.o(!!!main))
<BR><BR>[Calls]<UL><LI><a href="#[2e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
<LI><a href="#[2d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__scatterload
</UL>

<P><STRONG><a name="[2d]"></a>__scatterload</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, __scatter.o(!!!scatter))
<BR><BR>[Called By]<UL><LI><a href="#[2c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__main
</UL>

<P><STRONG><a name="[2f]"></a>__scatterload_rt2</STRONG> (Thumb, 44 bytes, Stack size unknown bytes, __scatter.o(!!!scatter), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[2e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
</UL>

<P><STRONG><a name="[8a]"></a>__scatterload_rt2_thumb_only</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, __scatter.o(!!!scatter), UNUSED)

<P><STRONG><a name="[8b]"></a>__scatterload_null</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, __scatter.o(!!!scatter), UNUSED)

<P><STRONG><a name="[30]"></a>__scatterload_copy</STRONG> (Thumb, 26 bytes, Stack size unknown bytes, __scatter_copy.o(!!handler_copy), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[30]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__scatterload_copy
</UL>
<BR>[Called By]<UL><LI><a href="#[30]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__scatterload_copy
</UL>

<P><STRONG><a name="[8c]"></a>__scatterload_zeroinit</STRONG> (Thumb, 28 bytes, Stack size unknown bytes, __scatter_zi.o(!!handler_zi), UNUSED)

<P><STRONG><a name="[34]"></a>__rt_lib_init</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit.o(.ARM.Collect$$libinit$$00000000))
<BR><BR>[Called By]<UL><LI><a href="#[33]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry_li
</UL>

<P><STRONG><a name="[8d]"></a>__rt_lib_init_alloca_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000002E))

<P><STRONG><a name="[8e]"></a>__rt_lib_init_argv_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000002C))

<P><STRONG><a name="[8f]"></a>__rt_lib_init_atexit_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000001B))

<P><STRONG><a name="[90]"></a>__rt_lib_init_clock_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000021))

<P><STRONG><a name="[91]"></a>__rt_lib_init_cpp_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000032))

<P><STRONG><a name="[92]"></a>__rt_lib_init_exceptions_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000030))

<P><STRONG><a name="[93]"></a>__rt_lib_init_fp_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000002))

<P><STRONG><a name="[94]"></a>__rt_lib_init_fp_trap_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000001F))

<P><STRONG><a name="[95]"></a>__rt_lib_init_getenv_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000023))

<P><STRONG><a name="[96]"></a>__rt_lib_init_heap_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000000A))

<P><STRONG><a name="[97]"></a>__rt_lib_init_lc_collate_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000011))

<P><STRONG><a name="[98]"></a>__rt_lib_init_lc_ctype_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000013))

<P><STRONG><a name="[99]"></a>__rt_lib_init_lc_monetary_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000015))

<P><STRONG><a name="[9a]"></a>__rt_lib_init_lc_numeric_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000017))

<P><STRONG><a name="[9b]"></a>__rt_lib_init_lc_time_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000019))

<P><STRONG><a name="[9c]"></a>__rt_lib_init_preinit_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000004))

<P><STRONG><a name="[9d]"></a>__rt_lib_init_rand_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000000E))

<P><STRONG><a name="[9e]"></a>__rt_lib_init_return</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000033))

<P><STRONG><a name="[9f]"></a>__rt_lib_init_signal_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000001D))

<P><STRONG><a name="[a0]"></a>__rt_lib_init_stdio_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$00000025))

<P><STRONG><a name="[a1]"></a>__rt_lib_init_user_alloc_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libinit2.o(.ARM.Collect$$libinit$$0000000C))

<P><STRONG><a name="[39]"></a>__rt_lib_shutdown</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libshutdown.o(.ARM.Collect$$libshutdown$$00000000))
<BR><BR>[Called By]<UL><LI><a href="#[38]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_exit_ls
</UL>

<P><STRONG><a name="[a2]"></a>__rt_lib_shutdown_cpp_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000004))

<P><STRONG><a name="[a3]"></a>__rt_lib_shutdown_fini_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000002))

<P><STRONG><a name="[a4]"></a>__rt_lib_shutdown_fp_trap_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000009))

<P><STRONG><a name="[a5]"></a>__rt_lib_shutdown_heap_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000011))

<P><STRONG><a name="[a6]"></a>__rt_lib_shutdown_return</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000012))

<P><STRONG><a name="[a7]"></a>__rt_lib_shutdown_signal_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$0000000C))

<P><STRONG><a name="[a8]"></a>__rt_lib_shutdown_stdio_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$00000006))

<P><STRONG><a name="[a9]"></a>__rt_lib_shutdown_user_alloc_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, libshutdown2.o(.ARM.Collect$$libshutdown$$0000000E))

<P><STRONG><a name="[2e]"></a>__rt_entry</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, __rtentry.o(.ARM.Collect$$rtentry$$00000000))
<BR><BR>[Called By]<UL><LI><a href="#[2c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__main
<LI><a href="#[2f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__scatterload_rt2
</UL>

<P><STRONG><a name="[aa]"></a>__rt_entry_presh_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, __rtentry2.o(.ARM.Collect$$rtentry$$00000002))

<P><STRONG><a name="[31]"></a>__rt_entry_sh</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, __rtentry4.o(.ARM.Collect$$rtentry$$00000004))
<BR><BR>[Stack]<UL><LI>Max Depth = 8 + Unknown Stack Size
<LI>Call Chain = __rt_entry_sh &rArr; __user_setup_stackheap
</UL>
<BR>[Calls]<UL><LI><a href="#[32]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_setup_stackheap
</UL>

<P><STRONG><a name="[33]"></a>__rt_entry_li</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, __rtentry2.o(.ARM.Collect$$rtentry$$0000000A))
<BR><BR>[Calls]<UL><LI><a href="#[34]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_lib_init
</UL>

<P><STRONG><a name="[ab]"></a>__rt_entry_postsh_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, __rtentry2.o(.ARM.Collect$$rtentry$$00000009))

<P><STRONG><a name="[35]"></a>__rt_entry_main</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, __rtentry2.o(.ARM.Collect$$rtentry$$0000000D))
<BR><BR>[Stack]<UL><LI>Max Depth = 184 + Unknown Stack Size
<LI>Call Chain = __rt_entry_main &rArr; main &rArr; i2c_config &rArr; i2c_lowlevel_init &rArr; i2c_init &rArr; crm_clocks_freq_get &rArr; __aeabi_uldivmod
</UL>
<BR>[Calls]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
<LI><a href="#[37]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;exit
</UL>

<P><STRONG><a name="[ac]"></a>__rt_entry_postli_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, __rtentry2.o(.ARM.Collect$$rtentry$$0000000C))

<P><STRONG><a name="[3e]"></a>__rt_exit</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, rtexit.o(.ARM.Collect$$rtexit$$00000000))
<BR><BR>[Called By]<UL><LI><a href="#[37]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;exit
</UL>

<P><STRONG><a name="[38]"></a>__rt_exit_ls</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, rtexit2.o(.ARM.Collect$$rtexit$$00000003))
<BR><BR>[Calls]<UL><LI><a href="#[39]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_lib_shutdown
</UL>

<P><STRONG><a name="[ad]"></a>__rt_exit_prels_1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, rtexit2.o(.ARM.Collect$$rtexit$$00000002))

<P><STRONG><a name="[3a]"></a>__rt_exit_exit</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, rtexit2.o(.ARM.Collect$$rtexit$$00000004))
<BR><BR>[Calls]<UL><LI><a href="#[3b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_sys_exit
</UL>

<P><STRONG><a name="[4]"></a>Reset_Handler</STRONG> (Thumb, 8 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[19]"></a>ADC1_CMP_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR><BR>[Calls]<UL><LI><a href="#[19]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;ADC1_CMP_IRQHandler
</UL>
<BR>[Called By]<UL><LI><a href="#[19]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;ADC1_CMP_IRQHandler
</UL>
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[12]"></a>CRM_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[16]"></a>DMA1_Channel1_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[18]"></a>DMA1_Channel5_4_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[10]"></a>ERTC_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[15]"></a>EXINT15_4_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[13]"></a>EXINT1_0_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[14]"></a>EXINT3_2_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[11]"></a>FLASH_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[29]"></a>I2C2_ERR_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[23]"></a>I2C2_EVT_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[f]"></a>PVM_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[24]"></a>SPI1_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[25]"></a>SPI2_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[1e]"></a>TMR14_GLOBAL_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[1f]"></a>TMR15_GLOBAL_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[20]"></a>TMR16_GLOBAL_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[21]"></a>TMR17_GLOBAL_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[1a]"></a>TMR1_BRK_OVF_TRG_HALL_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[1b]"></a>TMR1_CH_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[1c]"></a>TMR3_GLOBAL_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[1d]"></a>TMR6_GLOBAL_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[26]"></a>USART1_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[27]"></a>USART2_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[e]"></a>WWDT_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_at32f421.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[3d]"></a>__user_initial_stackheap</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, startup_at32f421.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[32]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_setup_stackheap
</UL>

<P><STRONG><a name="[ae]"></a>__use_no_semihosting</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, use_no_semi_2.o(.text), UNUSED)

<P><STRONG><a name="[4d]"></a>__aeabi_uldivmod</STRONG> (Thumb, 0 bytes, Stack size 48 bytes, lludivv7m.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 48<LI>Call Chain = __aeabi_uldivmod
</UL>
<BR>[Called By]<UL><LI><a href="#[89]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_core_clock_update
<LI><a href="#[4b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_clocks_freq_get
</UL>

<P><STRONG><a name="[af]"></a>_ll_udiv</STRONG> (Thumb, 238 bytes, Stack size 48 bytes, lludivv7m.o(.text), UNUSED)

<P><STRONG><a name="[b0]"></a>__use_two_region_memory</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, heapauxi.o(.text), UNUSED)

<P><STRONG><a name="[b1]"></a>__rt_heap_escrow$2region</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, heapauxi.o(.text), UNUSED)

<P><STRONG><a name="[b2]"></a>__rt_heap_expand$2region</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, heapauxi.o(.text), UNUSED)

<P><STRONG><a name="[b3]"></a>__I$use$semihosting</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, use_no_semi.o(.text), UNUSED)

<P><STRONG><a name="[b4]"></a>__use_no_semihosting_swi</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, use_no_semi.o(.text), UNUSED)

<P><STRONG><a name="[32]"></a>__user_setup_stackheap</STRONG> (Thumb, 74 bytes, Stack size 8 bytes, sys_stackheap_outer.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8 + Unknown Stack Size
<LI>Call Chain = __user_setup_stackheap
</UL>
<BR>[Calls]<UL><LI><a href="#[3d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_initial_stackheap
<LI><a href="#[3c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_perproc_libspace
</UL>
<BR>[Called By]<UL><LI><a href="#[31]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry_sh
</UL>

<P><STRONG><a name="[37]"></a>exit</STRONG> (Thumb, 18 bytes, Stack size 8 bytes, exit.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8 + Unknown Stack Size
<LI>Call Chain = exit
</UL>
<BR>[Calls]<UL><LI><a href="#[3e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_exit
</UL>
<BR>[Called By]<UL><LI><a href="#[35]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry_main
</UL>

<P><STRONG><a name="[b5]"></a>__user_libspace</STRONG> (Thumb, 8 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

<P><STRONG><a name="[3c]"></a>__user_perproc_libspace</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, libspace.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[32]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_setup_stackheap
</UL>

<P><STRONG><a name="[b6]"></a>__user_perthread_libspace</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

<P><STRONG><a name="[8]"></a>BusFault_Handler</STRONG> (Thumb, 4 bytes, Stack size 0 bytes, at32f421_int.o(i.BusFault_Handler))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[17]"></a>DMA1_Channel3_2_IRQHandler</STRONG> (Thumb, 16 bytes, Stack size 8 bytes, at32f421_int.o(i.DMA1_Channel3_2_IRQHandler))
<BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = DMA1_Channel3_2_IRQHandler &rArr; i2c_dma_tx_irq_handler &rArr; i2c_interrupt_enable
</UL>
<BR>[Calls]<UL><LI><a href="#[40]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_tx_irq_handler
<LI><a href="#[3f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_rx_irq_handler
</UL>
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[b]"></a>DebugMon_Handler</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, at32f421_int.o(i.DebugMon_Handler))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[6]"></a>HardFault_Handler</STRONG> (Thumb, 4 bytes, Stack size 0 bytes, at32f421_int.o(i.HardFault_Handler))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[28]"></a>I2C1_ERR_IRQHandler</STRONG> (Thumb, 10 bytes, Stack size 8 bytes, at32f421_int.o(i.I2C1_ERR_IRQHandler))
<BR><BR>[Stack]<UL><LI>Max Depth = 28<LI>Call Chain = I2C1_ERR_IRQHandler &rArr; i2c_err_irq_handler &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[41]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_err_irq_handler
</UL>
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[22]"></a>I2C1_EVT_IRQHandler</STRONG> (Thumb, 10 bytes, Stack size 8 bytes, at32f421_int.o(i.I2C1_EVT_IRQHandler))
<BR><BR>[Stack]<UL><LI>Max Depth = 60<LI>Call Chain = I2C1_EVT_IRQHandler &rArr; i2c_evt_irq_handler &rArr; i2c_slave_tx_isr_int &rArr; i2c_wait_flag &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[42]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_evt_irq_handler
</UL>
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[7]"></a>MemManage_Handler</STRONG> (Thumb, 4 bytes, Stack size 0 bytes, at32f421_int.o(i.MemManage_Handler))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[5]"></a>NMI_Handler</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, at32f421_int.o(i.NMI_Handler))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[c]"></a>PendSV_Handler</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, at32f421_int.o(i.PendSV_Handler))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[a]"></a>SVC_Handler</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, at32f421_int.o(i.SVC_Handler))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[d]"></a>SysTick_Handler</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, at32f421_int.o(i.SysTick_Handler))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[2a]"></a>SystemInit</STRONG> (Thumb, 96 bytes, Stack size 0 bytes, system_at32f421.o(i.SystemInit))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(.text)
</UL>
<P><STRONG><a name="[9]"></a>UsageFault_Handler</STRONG> (Thumb, 4 bytes, Stack size 0 bytes, at32f421_int.o(i.UsageFault_Handler))
<BR>[Address Reference Count : 1]<UL><LI> startup_at32f421.o(RESET)
</UL>
<P><STRONG><a name="[3b]"></a>_sys_exit</STRONG> (Thumb, 4 bytes, Stack size 0 bytes, at32f421_board.o(i._sys_exit))
<BR><BR>[Called By]<UL><LI><a href="#[3a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_exit_exit
</UL>

<P><STRONG><a name="[43]"></a>at32_board_init</STRONG> (Thumb, 48 bytes, Stack size 8 bytes, at32f421_board.o(i.at32_board_init))
<BR><BR>[Stack]<UL><LI>Max Depth = 40<LI>Call Chain = at32_board_init &rArr; at32_led_init &rArr; gpio_init
</UL>
<BR>[Calls]<UL><LI><a href="#[44]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;delay_init
<LI><a href="#[46]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_led_off
<LI><a href="#[45]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_led_init
<LI><a href="#[47]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_button_init
</UL>
<BR>[Called By]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
</UL>

<P><STRONG><a name="[47]"></a>at32_button_init</STRONG> (Thumb, 54 bytes, Stack size 16 bytes, at32f421_board.o(i.at32_button_init))
<BR><BR>[Stack]<UL><LI>Max Depth = 32<LI>Call Chain = at32_button_init &rArr; gpio_init
</UL>
<BR>[Calls]<UL><LI><a href="#[49]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;gpio_default_para_init
<LI><a href="#[4a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;gpio_init
<LI><a href="#[48]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_periph_clock_enable
</UL>
<BR>[Called By]<UL><LI><a href="#[43]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_board_init
</UL>

<P><STRONG><a name="[45]"></a>at32_led_init</STRONG> (Thumb, 68 bytes, Stack size 16 bytes, at32f421_board.o(i.at32_led_init))
<BR><BR>[Stack]<UL><LI>Max Depth = 32<LI>Call Chain = at32_led_init &rArr; gpio_init
</UL>
<BR>[Calls]<UL><LI><a href="#[49]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;gpio_default_para_init
<LI><a href="#[4a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;gpio_init
<LI><a href="#[48]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_periph_clock_enable
</UL>
<BR>[Called By]<UL><LI><a href="#[43]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_board_init
</UL>

<P><STRONG><a name="[46]"></a>at32_led_off</STRONG> (Thumb, 32 bytes, Stack size 0 bytes, at32f421_board.o(i.at32_led_off))
<BR><BR>[Called By]<UL><LI><a href="#[43]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_board_init
</UL>

<P><STRONG><a name="[80]"></a>at32_led_on</STRONG> (Thumb, 32 bytes, Stack size 0 bytes, at32f421_board.o(i.at32_led_on))
<BR><BR>[Called By]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
</UL>

<P><STRONG><a name="[52]"></a>at32_led_toggle</STRONG> (Thumb, 42 bytes, Stack size 0 bytes, at32f421_board.o(i.at32_led_toggle))
<BR><BR>[Called By]<UL><LI><a href="#[51]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;error_handler
</UL>

<P><STRONG><a name="[7f]"></a>buffer_compare</STRONG> (Thumb, 32 bytes, Stack size 12 bytes, main.o(i.buffer_compare))
<BR><BR>[Stack]<UL><LI>Max Depth = 12<LI>Call Chain = buffer_compare
</UL>
<BR>[Called By]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
</UL>

<P><STRONG><a name="[84]"></a>crm_ahb_div_set</STRONG> (Thumb, 14 bytes, Stack size 0 bytes, at32f421_crm.o(i.crm_ahb_div_set))
<BR><BR>[Called By]<UL><LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_clock_config
</UL>

<P><STRONG><a name="[86]"></a>crm_apb1_div_set</STRONG> (Thumb, 14 bytes, Stack size 0 bytes, at32f421_crm.o(i.crm_apb1_div_set))
<BR><BR>[Called By]<UL><LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_clock_config
</UL>

<P><STRONG><a name="[85]"></a>crm_apb2_div_set</STRONG> (Thumb, 14 bytes, Stack size 0 bytes, at32f421_crm.o(i.crm_apb2_div_set))
<BR><BR>[Called By]<UL><LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_clock_config
</UL>

<P><STRONG><a name="[87]"></a>crm_auto_step_mode_enable</STRONG> (Thumb, 34 bytes, Stack size 0 bytes, at32f421_crm.o(i.crm_auto_step_mode_enable))
<BR><BR>[Called By]<UL><LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_clock_config
</UL>

<P><STRONG><a name="[82]"></a>crm_clock_source_enable</STRONG> (Thumb, 90 bytes, Stack size 0 bytes, at32f421_crm.o(i.crm_clock_source_enable))
<BR><BR>[Called By]<UL><LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_clock_config
</UL>

<P><STRONG><a name="[4b]"></a>crm_clocks_freq_get</STRONG> (Thumb, 396 bytes, Stack size 56 bytes, at32f421_crm.o(i.crm_clocks_freq_get))
<BR><BR>[Stack]<UL><LI>Max Depth = 104<LI>Call Chain = crm_clocks_freq_get &rArr; __aeabi_uldivmod
</UL>
<BR>[Calls]<UL><LI><a href="#[4c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_sysclk_switch_status_get
<LI><a href="#[4d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_uldivmod
</UL>
<BR>[Called By]<UL><LI><a href="#[6a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_init
</UL>

<P><STRONG><a name="[4f]"></a>crm_flag_get</STRONG> (Thumb, 42 bytes, Stack size 8 bytes, at32f421_crm.o(i.crm_flag_get))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = crm_flag_get
</UL>
<BR>[Called By]<UL><LI><a href="#[4e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_hext_stable_wait
<LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_clock_config
</UL>

<P><STRONG><a name="[4e]"></a>crm_hext_stable_wait</STRONG> (Thumb, 46 bytes, Stack size 12 bytes, at32f421_crm.o(i.crm_hext_stable_wait))
<BR><BR>[Stack]<UL><LI>Max Depth = 20<LI>Call Chain = crm_hext_stable_wait &rArr; crm_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[4f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_flag_get
</UL>
<BR>[Called By]<UL><LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_clock_config
</UL>

<P><STRONG><a name="[48]"></a>crm_periph_clock_enable</STRONG> (Thumb, 62 bytes, Stack size 8 bytes, at32f421_crm.o(i.crm_periph_clock_enable))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = crm_periph_clock_enable
</UL>
<BR>[Called By]<UL><LI><a href="#[45]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_led_init
<LI><a href="#[47]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_button_init
<LI><a href="#[56]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_lowlevel_init
</UL>

<P><STRONG><a name="[7b]"></a>crm_periph_reset</STRONG> (Thumb, 62 bytes, Stack size 8 bytes, at32f421_crm.o(i.crm_periph_reset))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = crm_periph_reset
</UL>
<BR>[Called By]<UL><LI><a href="#[55]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_reset
</UL>

<P><STRONG><a name="[83]"></a>crm_pll_config</STRONG> (Thumb, 224 bytes, Stack size 12 bytes, at32f421_crm.o(i.crm_pll_config))
<BR><BR>[Stack]<UL><LI>Max Depth = 12<LI>Call Chain = crm_pll_config
</UL>
<BR>[Called By]<UL><LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_clock_config
</UL>

<P><STRONG><a name="[81]"></a>crm_reset</STRONG> (Thumb, 90 bytes, Stack size 0 bytes, at32f421_crm.o(i.crm_reset))
<BR><BR>[Called By]<UL><LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_clock_config
</UL>

<P><STRONG><a name="[88]"></a>crm_sysclk_switch</STRONG> (Thumb, 54 bytes, Stack size 0 bytes, at32f421_crm.o(i.crm_sysclk_switch))
<BR><BR>[Called By]<UL><LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_clock_config
</UL>

<P><STRONG><a name="[4c]"></a>crm_sysclk_switch_status_get</STRONG> (Thumb, 10 bytes, Stack size 0 bytes, at32f421_crm.o(i.crm_sysclk_switch_status_get))
<BR><BR>[Called By]<UL><LI><a href="#[89]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_core_clock_update
<LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_clock_config
<LI><a href="#[4b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_clocks_freq_get
</UL>

<P><STRONG><a name="[44]"></a>delay_init</STRONG> (Thumb, 38 bytes, Stack size 8 bytes, at32f421_board.o(i.delay_init))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = delay_init
</UL>
<BR>[Calls]<UL><LI><a href="#[50]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;systick_clock_source_config
</UL>
<BR>[Called By]<UL><LI><a href="#[43]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_board_init
</UL>

<P><STRONG><a name="[53]"></a>delay_ms</STRONG> (Thumb, 110 bytes, Stack size 0 bytes, at32f421_board.o(i.delay_ms))
<BR><BR>[Called By]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
<LI><a href="#[51]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;error_handler
</UL>

<P><STRONG><a name="[59]"></a>dma_channel_enable</STRONG> (Thumb, 10 bytes, Stack size 0 bytes, at32f421_dma.o(i.dma_channel_enable))
<BR><BR>[Called By]<UL><LI><a href="#[58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_config
</UL>

<P><STRONG><a name="[6e]"></a>dma_default_para_init</STRONG> (Thumb, 24 bytes, Stack size 0 bytes, at32f421_dma.o(i.dma_default_para_init))
<BR><BR>[Called By]<UL><LI><a href="#[56]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_lowlevel_init
</UL>

<P><STRONG><a name="[5d]"></a>dma_flag_clear</STRONG> (Thumb, 6 bytes, Stack size 0 bytes, at32f421_dma.o(i.dma_flag_clear))
<BR><BR>[Called By]<UL><LI><a href="#[40]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_tx_irq_handler
<LI><a href="#[3f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_rx_irq_handler
</UL>

<P><STRONG><a name="[5c]"></a>dma_flag_get</STRONG> (Thumb, 24 bytes, Stack size 0 bytes, at32f421_dma.o(i.dma_flag_get))
<BR><BR>[Called By]<UL><LI><a href="#[40]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_tx_irq_handler
<LI><a href="#[3f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_rx_irq_handler
</UL>

<P><STRONG><a name="[5b]"></a>dma_init</STRONG> (Thumb, 92 bytes, Stack size 0 bytes, at32f421_dma.o(i.dma_init))
<BR><BR>[Called By]<UL><LI><a href="#[58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_config
<LI><a href="#[56]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_lowlevel_init
</UL>

<P><STRONG><a name="[5a]"></a>dma_interrupt_enable</STRONG> (Thumb, 18 bytes, Stack size 0 bytes, at32f421_dma.o(i.dma_interrupt_enable))
<BR><BR>[Called By]<UL><LI><a href="#[58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_config
<LI><a href="#[40]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_tx_irq_handler
<LI><a href="#[3f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_rx_irq_handler
</UL>

<P><STRONG><a name="[6d]"></a>dma_reset</STRONG> (Thumb, 50 bytes, Stack size 0 bytes, at32f421_dma.o(i.dma_reset))
<BR><BR>[Called By]<UL><LI><a href="#[56]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_lowlevel_init
</UL>

<P><STRONG><a name="[51]"></a>error_handler</STRONG> (Thumb, 18 bytes, Stack size 0 bytes, main.o(i.error_handler))
<BR><BR>[Calls]<UL><LI><a href="#[53]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;delay_ms
<LI><a href="#[52]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_led_toggle
</UL>
<BR>[Called By]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
</UL>

<P><STRONG><a name="[49]"></a>gpio_default_para_init</STRONG> (Thumb, 20 bytes, Stack size 0 bytes, at32f421_gpio.o(i.gpio_default_para_init))
<BR><BR>[Called By]<UL><LI><a href="#[45]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_led_init
<LI><a href="#[47]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_button_init
</UL>

<P><STRONG><a name="[4a]"></a>gpio_init</STRONG> (Thumb, 122 bytes, Stack size 16 bytes, at32f421_gpio.o(i.gpio_init))
<BR><BR>[Stack]<UL><LI>Max Depth = 16<LI>Call Chain = gpio_init
</UL>
<BR>[Called By]<UL><LI><a href="#[45]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_led_init
<LI><a href="#[47]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_button_init
<LI><a href="#[56]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_lowlevel_init
</UL>

<P><STRONG><a name="[6b]"></a>gpio_pin_mux_config</STRONG> (Thumb, 66 bytes, Stack size 20 bytes, at32f421_gpio.o(i.gpio_pin_mux_config))
<BR><BR>[Stack]<UL><LI>Max Depth = 20<LI>Call Chain = gpio_pin_mux_config
</UL>
<BR>[Called By]<UL><LI><a href="#[56]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_lowlevel_init
</UL>

<P><STRONG><a name="[73]"></a>i2c_7bit_address_send</STRONG> (Thumb, 18 bytes, Stack size 0 bytes, at32f421_i2c.o(i.i2c_7bit_address_send))
<BR><BR>[Called By]<UL><LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_write_addr
<LI><a href="#[70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_read_addr
</UL>

<P><STRONG><a name="[63]"></a>i2c_ack_enable</STRONG> (Thumb, 10 bytes, Stack size 0 bytes, at32f421_i2c.o(i.i2c_ack_enable))
<BR><BR>[Called By]<UL><LI><a href="#[69]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_tx_rx_isr_dma
<LI><a href="#[65]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_rx_isr_int
<LI><a href="#[70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_read_addr
<LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_receive_dma
<LI><a href="#[41]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_err_irq_handler
</UL>

<P><STRONG><a name="[54]"></a>i2c_config</STRONG> (Thumb, 26 bytes, Stack size 8 bytes, i2c_application.o(i.i2c_config))
<BR><BR>[Stack]<UL><LI>Max Depth = 176<LI>Call Chain = i2c_config &rArr; i2c_lowlevel_init &rArr; i2c_init &rArr; crm_clocks_freq_get &rArr; __aeabi_uldivmod
</UL>
<BR>[Calls]<UL><LI><a href="#[55]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_reset
<LI><a href="#[57]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_enable
<LI><a href="#[56]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_lowlevel_init
</UL>
<BR>[Called By]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
</UL>

<P><STRONG><a name="[78]"></a>i2c_data_receive</STRONG> (Thumb, 8 bytes, Stack size 0 bytes, at32f421_i2c.o(i.i2c_data_receive))
<BR><BR>[Called By]<UL><LI><a href="#[67]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_rx_isr_int
<LI><a href="#[65]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_rx_isr_int
</UL>

<P><STRONG><a name="[74]"></a>i2c_data_send</STRONG> (Thumb, 4 bytes, Stack size 0 bytes, at32f421_i2c.o(i.i2c_data_send))
<BR><BR>[Called By]<UL><LI><a href="#[66]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_tx_isr_int
<LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_write_addr
<LI><a href="#[64]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_tx_isr_int
<LI><a href="#[70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_read_addr
</UL>

<P><STRONG><a name="[58]"></a>i2c_dma_config</STRONG> (Thumb, 86 bytes, Stack size 24 bytes, i2c_application.o(i.i2c_dma_config))
<BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = i2c_dma_config
</UL>
<BR>[Calls]<UL><LI><a href="#[5a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;dma_interrupt_enable
<LI><a href="#[59]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;dma_channel_enable
<LI><a href="#[5b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;dma_init
</UL>
<BR>[Called By]<UL><LI><a href="#[79]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_transmit_dma
<LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_receive_dma
</UL>

<P><STRONG><a name="[5e]"></a>i2c_dma_enable</STRONG> (Thumb, 10 bytes, Stack size 0 bytes, at32f421_i2c.o(i.i2c_dma_enable))
<BR><BR>[Called By]<UL><LI><a href="#[79]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_transmit_dma
<LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_receive_dma
<LI><a href="#[40]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_tx_irq_handler
<LI><a href="#[3f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_rx_irq_handler
</UL>

<P><STRONG><a name="[77]"></a>i2c_dma_end_transfer_set</STRONG> (Thumb, 10 bytes, Stack size 0 bytes, at32f421_i2c.o(i.i2c_dma_end_transfer_set))
<BR><BR>[Called By]<UL><LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_receive_dma
</UL>

<P><STRONG><a name="[3f]"></a>i2c_dma_rx_irq_handler</STRONG> (Thumb, 220 bytes, Stack size 8 bytes, i2c_application.o(i.i2c_dma_rx_irq_handler))
<BR><BR>[Stack]<UL><LI>Max Depth = 16<LI>Call Chain = i2c_dma_rx_irq_handler &rArr; i2c_interrupt_enable
</UL>
<BR>[Calls]<UL><LI><a href="#[60]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_stop_generate
<LI><a href="#[61]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_interrupt_enable
<LI><a href="#[5f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_clear
<LI><a href="#[5e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_enable
<LI><a href="#[5a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;dma_interrupt_enable
<LI><a href="#[5c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;dma_flag_get
<LI><a href="#[5d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;dma_flag_clear
</UL>
<BR>[Called By]<UL><LI><a href="#[17]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;DMA1_Channel3_2_IRQHandler
</UL>

<P><STRONG><a name="[40]"></a>i2c_dma_tx_irq_handler</STRONG> (Thumb, 204 bytes, Stack size 8 bytes, i2c_application.o(i.i2c_dma_tx_irq_handler))
<BR><BR>[Stack]<UL><LI>Max Depth = 16<LI>Call Chain = i2c_dma_tx_irq_handler &rArr; i2c_interrupt_enable
</UL>
<BR>[Calls]<UL><LI><a href="#[61]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_interrupt_enable
<LI><a href="#[5e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_enable
<LI><a href="#[5a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;dma_interrupt_enable
<LI><a href="#[5c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;dma_flag_get
<LI><a href="#[5d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;dma_flag_clear
</UL>
<BR>[Called By]<UL><LI><a href="#[17]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;DMA1_Channel3_2_IRQHandler
</UL>

<P><STRONG><a name="[57]"></a>i2c_enable</STRONG> (Thumb, 10 bytes, Stack size 0 bytes, at32f421_i2c.o(i.i2c_enable))
<BR><BR>[Called By]<UL><LI><a href="#[54]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_config
</UL>

<P><STRONG><a name="[41]"></a>i2c_err_irq_handler</STRONG> (Thumb, 236 bytes, Stack size 8 bytes, i2c_application.o(i.i2c_err_irq_handler))
<BR><BR>[Stack]<UL><LI>Max Depth = 20<LI>Call Chain = i2c_err_irq_handler &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[61]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_interrupt_enable
<LI><a href="#[62]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_get
<LI><a href="#[5f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_clear
<LI><a href="#[63]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_ack_enable
</UL>
<BR>[Called By]<UL><LI><a href="#[28]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;I2C1_ERR_IRQHandler
</UL>

<P><STRONG><a name="[42]"></a>i2c_evt_irq_handler</STRONG> (Thumb, 78 bytes, Stack size 8 bytes, i2c_application.o(i.i2c_evt_irq_handler))
<BR><BR>[Stack]<UL><LI>Max Depth = 52<LI>Call Chain = i2c_evt_irq_handler &rArr; i2c_slave_tx_isr_int &rArr; i2c_wait_flag &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[69]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_tx_rx_isr_dma
<LI><a href="#[66]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_tx_isr_int
<LI><a href="#[67]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_rx_isr_int
<LI><a href="#[64]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_tx_isr_int
<LI><a href="#[68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_tx_isr_dma
<LI><a href="#[65]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_rx_isr_int
</UL>
<BR>[Called By]<UL><LI><a href="#[22]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;I2C1_EVT_IRQHandler
</UL>

<P><STRONG><a name="[5f]"></a>i2c_flag_clear</STRONG> (Thumb, 40 bytes, Stack size 0 bytes, at32f421_i2c.o(i.i2c_flag_clear))
<BR><BR>[Called By]<UL><LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_wait_flag
<LI><a href="#[69]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_tx_rx_isr_dma
<LI><a href="#[66]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_tx_isr_int
<LI><a href="#[67]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_rx_isr_int
<LI><a href="#[70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_read_addr
<LI><a href="#[79]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_transmit_dma
<LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_receive_dma
<LI><a href="#[41]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_err_irq_handler
<LI><a href="#[3f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_rx_irq_handler
</UL>

<P><STRONG><a name="[62]"></a>i2c_flag_get</STRONG> (Thumb, 48 bytes, Stack size 12 bytes, at32f421_i2c.o(i.i2c_flag_get))
<BR><BR>[Stack]<UL><LI>Max Depth = 12<LI>Call Chain = i2c_flag_get
</UL>
<BR>[Called By]<UL><LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_wait_flag
<LI><a href="#[69]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_tx_rx_isr_dma
<LI><a href="#[66]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_tx_isr_int
<LI><a href="#[67]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_rx_isr_int
<LI><a href="#[64]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_tx_isr_int
<LI><a href="#[68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_tx_isr_dma
<LI><a href="#[65]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_rx_isr_int
<LI><a href="#[41]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_err_irq_handler
</UL>

<P><STRONG><a name="[6a]"></a>i2c_init</STRONG> (Thumb, 270 bytes, Stack size 48 bytes, at32f421_i2c.o(i.i2c_init))
<BR><BR>[Stack]<UL><LI>Max Depth = 152<LI>Call Chain = i2c_init &rArr; crm_clocks_freq_get &rArr; __aeabi_uldivmod
</UL>
<BR>[Calls]<UL><LI><a href="#[4b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_clocks_freq_get
</UL>
<BR>[Called By]<UL><LI><a href="#[56]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_lowlevel_init
</UL>

<P><STRONG><a name="[61]"></a>i2c_interrupt_enable</STRONG> (Thumb, 24 bytes, Stack size 8 bytes, at32f421_i2c.o(i.i2c_interrupt_enable))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = i2c_interrupt_enable
</UL>
<BR>[Called By]<UL><LI><a href="#[69]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_tx_rx_isr_dma
<LI><a href="#[66]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_tx_isr_int
<LI><a href="#[67]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_rx_isr_int
<LI><a href="#[64]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_tx_isr_int
<LI><a href="#[68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_tx_isr_dma
<LI><a href="#[65]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_rx_isr_int
<LI><a href="#[41]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_err_irq_handler
<LI><a href="#[40]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_tx_irq_handler
<LI><a href="#[3f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_rx_irq_handler
</UL>

<P><STRONG><a name="[56]"></a>i2c_lowlevel_init</STRONG> (Thumb, 270 bytes, Stack size 16 bytes, main.o(i.i2c_lowlevel_init))
<BR><BR>[Stack]<UL><LI>Max Depth = 168<LI>Call Chain = i2c_lowlevel_init &rArr; i2c_init &rArr; crm_clocks_freq_get &rArr; __aeabi_uldivmod
</UL>
<BR>[Calls]<UL><LI><a href="#[6c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;nvic_irq_enable
<LI><a href="#[6f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_own_address1_set
<LI><a href="#[6a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_init
<LI><a href="#[6b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;gpio_pin_mux_config
<LI><a href="#[4a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;gpio_init
<LI><a href="#[6d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;dma_reset
<LI><a href="#[5b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;dma_init
<LI><a href="#[6e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;dma_default_para_init
<LI><a href="#[48]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_periph_clock_enable
</UL>
<BR>[Called By]<UL><LI><a href="#[54]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_config
</UL>

<P><STRONG><a name="[70]"></a>i2c_master_read_addr</STRONG> (Thumb, 202 bytes, Stack size 16 bytes, i2c_application.o(i.i2c_master_read_addr))
<BR><BR>[Stack]<UL><LI>Max Depth = 52<LI>Call Chain = i2c_master_read_addr &rArr; i2c_wait_flag &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[71]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_start_generate
<LI><a href="#[5f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_clear
<LI><a href="#[74]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_data_send
<LI><a href="#[63]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_ack_enable
<LI><a href="#[73]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_7bit_address_send
<LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_wait_flag
</UL>
<BR>[Called By]<UL><LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_receive_dma
</UL>

<P><STRONG><a name="[76]"></a>i2c_master_receive_ack_set</STRONG> (Thumb, 10 bytes, Stack size 0 bytes, at32f421_i2c.o(i.i2c_master_receive_ack_set))
<BR><BR>[Called By]<UL><LI><a href="#[79]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_transmit_dma
<LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_receive_dma
</UL>

<P><STRONG><a name="[75]"></a>i2c_master_receive_dma</STRONG> (Thumb, 172 bytes, Stack size 24 bytes, i2c_application.o(i.i2c_master_receive_dma))
<BR><BR>[Stack]<UL><LI>Max Depth = 76<LI>Call Chain = i2c_master_receive_dma &rArr; i2c_master_read_addr &rArr; i2c_wait_flag &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[60]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_stop_generate
<LI><a href="#[76]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_receive_ack_set
<LI><a href="#[5f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_clear
<LI><a href="#[77]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_end_transfer_set
<LI><a href="#[5e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_enable
<LI><a href="#[63]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_ack_enable
<LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_wait_flag
<LI><a href="#[70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_read_addr
<LI><a href="#[58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_config
</UL>
<BR>[Called By]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
</UL>

<P><STRONG><a name="[65]"></a>i2c_master_rx_isr_int</STRONG> (Thumb, 248 bytes, Stack size 8 bytes, i2c_application.o(i.i2c_master_rx_isr_int))
<BR><BR>[Stack]<UL><LI>Max Depth = 20<LI>Call Chain = i2c_master_rx_isr_int &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[60]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_stop_generate
<LI><a href="#[61]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_interrupt_enable
<LI><a href="#[62]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_get
<LI><a href="#[78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_data_receive
<LI><a href="#[63]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_ack_enable
</UL>
<BR>[Called By]<UL><LI><a href="#[42]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_evt_irq_handler
</UL>

<P><STRONG><a name="[79]"></a>i2c_master_transmit_dma</STRONG> (Thumb, 120 bytes, Stack size 24 bytes, i2c_application.o(i.i2c_master_transmit_dma))
<BR><BR>[Stack]<UL><LI>Max Depth = 76<LI>Call Chain = i2c_master_transmit_dma &rArr; i2c_master_write_addr &rArr; i2c_wait_flag &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[60]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_stop_generate
<LI><a href="#[76]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_receive_ack_set
<LI><a href="#[5f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_clear
<LI><a href="#[5e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_enable
<LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_wait_flag
<LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_write_addr
<LI><a href="#[58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_config
</UL>
<BR>[Called By]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
</UL>

<P><STRONG><a name="[68]"></a>i2c_master_tx_isr_dma</STRONG> (Thumb, 38 bytes, Stack size 8 bytes, i2c_application.o(i.i2c_master_tx_isr_dma))
<BR><BR>[Stack]<UL><LI>Max Depth = 20<LI>Call Chain = i2c_master_tx_isr_dma &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[60]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_stop_generate
<LI><a href="#[61]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_interrupt_enable
<LI><a href="#[62]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_get
</UL>
<BR>[Called By]<UL><LI><a href="#[42]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_evt_irq_handler
</UL>

<P><STRONG><a name="[64]"></a>i2c_master_tx_isr_int</STRONG> (Thumb, 64 bytes, Stack size 8 bytes, i2c_application.o(i.i2c_master_tx_isr_int))
<BR><BR>[Stack]<UL><LI>Max Depth = 20<LI>Call Chain = i2c_master_tx_isr_int &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[60]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_stop_generate
<LI><a href="#[61]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_interrupt_enable
<LI><a href="#[62]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_get
<LI><a href="#[74]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_data_send
</UL>
<BR>[Called By]<UL><LI><a href="#[42]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_evt_irq_handler
</UL>

<P><STRONG><a name="[7a]"></a>i2c_master_write_addr</STRONG> (Thumb, 124 bytes, Stack size 16 bytes, i2c_application.o(i.i2c_master_write_addr))
<BR><BR>[Stack]<UL><LI>Max Depth = 52<LI>Call Chain = i2c_master_write_addr &rArr; i2c_wait_flag &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[71]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_start_generate
<LI><a href="#[74]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_data_send
<LI><a href="#[73]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_7bit_address_send
<LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_wait_flag
</UL>
<BR>[Called By]<UL><LI><a href="#[79]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_transmit_dma
</UL>

<P><STRONG><a name="[6f]"></a>i2c_own_address1_set</STRONG> (Thumb, 18 bytes, Stack size 0 bytes, at32f421_i2c.o(i.i2c_own_address1_set))
<BR><BR>[Called By]<UL><LI><a href="#[56]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_lowlevel_init
</UL>

<P><STRONG><a name="[55]"></a>i2c_reset</STRONG> (Thumb, 52 bytes, Stack size 8 bytes, at32f421_i2c.o(i.i2c_reset))
<BR><BR>[Stack]<UL><LI>Max Depth = 16<LI>Call Chain = i2c_reset &rArr; crm_periph_reset
</UL>
<BR>[Calls]<UL><LI><a href="#[7b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_periph_reset
</UL>
<BR>[Called By]<UL><LI><a href="#[54]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_config
</UL>

<P><STRONG><a name="[67]"></a>i2c_slave_rx_isr_int</STRONG> (Thumb, 96 bytes, Stack size 8 bytes, i2c_application.o(i.i2c_slave_rx_isr_int))
<BR><BR>[Stack]<UL><LI>Max Depth = 20<LI>Call Chain = i2c_slave_rx_isr_int &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[61]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_interrupt_enable
<LI><a href="#[62]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_get
<LI><a href="#[5f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_clear
<LI><a href="#[78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_data_receive
</UL>
<BR>[Called By]<UL><LI><a href="#[42]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_evt_irq_handler
</UL>

<P><STRONG><a name="[66]"></a>i2c_slave_tx_isr_int</STRONG> (Thumb, 106 bytes, Stack size 8 bytes, i2c_application.o(i.i2c_slave_tx_isr_int))
<BR><BR>[Stack]<UL><LI>Max Depth = 44<LI>Call Chain = i2c_slave_tx_isr_int &rArr; i2c_wait_flag &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[61]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_interrupt_enable
<LI><a href="#[62]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_get
<LI><a href="#[5f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_clear
<LI><a href="#[74]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_data_send
<LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_wait_flag
</UL>
<BR>[Called By]<UL><LI><a href="#[42]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_evt_irq_handler
</UL>

<P><STRONG><a name="[69]"></a>i2c_slave_tx_rx_isr_dma</STRONG> (Thumb, 66 bytes, Stack size 8 bytes, i2c_application.o(i.i2c_slave_tx_rx_isr_dma))
<BR><BR>[Stack]<UL><LI>Max Depth = 20<LI>Call Chain = i2c_slave_tx_rx_isr_dma &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[61]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_interrupt_enable
<LI><a href="#[62]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_get
<LI><a href="#[5f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_clear
<LI><a href="#[63]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_ack_enable
</UL>
<BR>[Called By]<UL><LI><a href="#[42]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_evt_irq_handler
</UL>

<P><STRONG><a name="[71]"></a>i2c_start_generate</STRONG> (Thumb, 14 bytes, Stack size 0 bytes, at32f421_i2c.o(i.i2c_start_generate))
<BR><BR>[Called By]<UL><LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_write_addr
<LI><a href="#[70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_read_addr
</UL>

<P><STRONG><a name="[60]"></a>i2c_stop_generate</STRONG> (Thumb, 14 bytes, Stack size 0 bytes, at32f421_i2c.o(i.i2c_stop_generate))
<BR><BR>[Called By]<UL><LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_wait_flag
<LI><a href="#[64]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_tx_isr_int
<LI><a href="#[68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_tx_isr_dma
<LI><a href="#[65]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_rx_isr_int
<LI><a href="#[79]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_transmit_dma
<LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_receive_dma
<LI><a href="#[3f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_dma_rx_irq_handler
</UL>

<P><STRONG><a name="[7e]"></a>i2c_wait_end</STRONG> (Thumb, 34 bytes, Stack size 0 bytes, i2c_application.o(i.i2c_wait_end))
<BR><BR>[Called By]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
</UL>

<P><STRONG><a name="[72]"></a>i2c_wait_flag</STRONG> (Thumb, 152 bytes, Stack size 24 bytes, i2c_application.o(i.i2c_wait_flag))
<BR><BR>[Stack]<UL><LI>Max Depth = 36<LI>Call Chain = i2c_wait_flag &rArr; i2c_flag_get
</UL>
<BR>[Calls]<UL><LI><a href="#[60]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_stop_generate
<LI><a href="#[62]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_get
<LI><a href="#[5f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_flag_clear
</UL>
<BR>[Called By]<UL><LI><a href="#[66]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_slave_tx_isr_int
<LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_write_addr
<LI><a href="#[70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_read_addr
<LI><a href="#[79]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_transmit_dma
<LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_receive_dma
</UL>

<P><STRONG><a name="[36]"></a>main</STRONG> (Thumb, 156 bytes, Stack size 8 bytes, main.o(i.main))
<BR><BR>[Stack]<UL><LI>Max Depth = 184<LI>Call Chain = main &rArr; i2c_config &rArr; i2c_lowlevel_init &rArr; i2c_init &rArr; crm_clocks_freq_get &rArr; __aeabi_uldivmod
</UL>
<BR>[Calls]<UL><LI><a href="#[7c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;nvic_priority_group_config
<LI><a href="#[7e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_wait_end
<LI><a href="#[79]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_transmit_dma
<LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_master_receive_dma
<LI><a href="#[54]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_config
<LI><a href="#[53]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;delay_ms
<LI><a href="#[80]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_led_on
<LI><a href="#[43]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;at32_board_init
<LI><a href="#[51]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;error_handler
<LI><a href="#[7f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;buffer_compare
<LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_clock_config
</UL>
<BR>[Called By]<UL><LI><a href="#[35]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry_main
</UL>

<P><STRONG><a name="[6c]"></a>nvic_irq_enable</STRONG> (Thumb, 190 bytes, Stack size 32 bytes, at32f421_misc.o(i.nvic_irq_enable))
<BR><BR>[Stack]<UL><LI>Max Depth = 32<LI>Call Chain = nvic_irq_enable
</UL>
<BR>[Called By]<UL><LI><a href="#[56]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;i2c_lowlevel_init
</UL>

<P><STRONG><a name="[7c]"></a>nvic_priority_group_config</STRONG> (Thumb, 32 bytes, Stack size 0 bytes, at32f421_misc.o(i.nvic_priority_group_config))
<BR><BR>[Called By]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
</UL>

<P><STRONG><a name="[7d]"></a>system_clock_config</STRONG> (Thumb, 112 bytes, Stack size 8 bytes, at32f421_clock.o(i.system_clock_config))
<BR><BR>[Stack]<UL><LI>Max Depth = 112<LI>Call Chain = system_clock_config &rArr; system_core_clock_update &rArr; __aeabi_uldivmod
</UL>
<BR>[Calls]<UL><LI><a href="#[89]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_core_clock_update
<LI><a href="#[4c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_sysclk_switch_status_get
<LI><a href="#[88]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_sysclk_switch
<LI><a href="#[81]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_reset
<LI><a href="#[83]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_pll_config
<LI><a href="#[4e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_hext_stable_wait
<LI><a href="#[4f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_flag_get
<LI><a href="#[82]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_clock_source_enable
<LI><a href="#[87]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_auto_step_mode_enable
<LI><a href="#[85]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_apb2_div_set
<LI><a href="#[86]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_apb1_div_set
<LI><a href="#[84]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_ahb_div_set
</UL>
<BR>[Called By]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
</UL>

<P><STRONG><a name="[89]"></a>system_core_clock_update</STRONG> (Thumb, 316 bytes, Stack size 56 bytes, system_at32f421.o(i.system_core_clock_update))
<BR><BR>[Stack]<UL><LI>Max Depth = 104<LI>Call Chain = system_core_clock_update &rArr; __aeabi_uldivmod
</UL>
<BR>[Calls]<UL><LI><a href="#[4c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;crm_sysclk_switch_status_get
<LI><a href="#[4d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_uldivmod
</UL>
<BR>[Called By]<UL><LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;system_clock_config
</UL>

<P><STRONG><a name="[50]"></a>systick_clock_source_config</STRONG> (Thumb, 40 bytes, Stack size 0 bytes, at32f421_misc.o(i.systick_clock_source_config))
<BR><BR>[Called By]<UL><LI><a href="#[44]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;delay_init
</UL>
<P>
<H3>
Local Symbols
</H3><P>
<H3>
Undefined Global Symbols
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